Revert "Create all variants of stubs for wifi"

This reverts commit 722a3606096055ba1c107a1a3efd126380c9ce87.

Exempt-From-Owner-Approval: clean revert
Reason for revert: Broke the apps build

Change-Id: I14e25b924d7415a53a5f5994054f4fd5d9ff99cc
diff --git a/wifi/Android.bp b/wifi/Android.bp
index e55971e..dae04c6 100644
--- a/wifi/Android.bp
+++ b/wifi/Android.bp
@@ -132,70 +132,27 @@
     ],
 }
 
-stubs_defaults {
-    name: "framework-wifi-stubs-srcs-defaults",
+droidstubs {
+    name: "framework-wifi-stubs-srcs",
+    srcs: [
+        ":framework-annotations",
+        ":framework-wifi-updatable-sources",
+    ],
     // This is needed as IOnWifiActivityEnergyInfoListener.aidl in framework-wifi depends on
     // WifiActivityEnergyInfo.aidl in framework-minus-apex
     aidl: {
         include_dirs: ["frameworks/base/core/java"],
     },
-    srcs: [ ":framework-wifi-updatable-sources" ],
-    libs: [ "framework-annotations-lib" ],
-    sdk_version: "system_current",
-}
-
-droidstubs {
-    name: "framework-wifi-stubs-srcs-publicapi",
-    defaults: [
-        "framework-module-stubs-defaults-publicapi",
-        "framework-wifi-stubs-srcs-defaults",
-    ],
-}
-
-droidstubs {
-    name: "framework-wifi-stubs-srcs-systemapi",
-    defaults: [
-        "framework-module-stubs-defaults-systemapi",
-        "framework-wifi-stubs-srcs-defaults",
-    ],
-}
-
-droidstubs {
-    name: "framework-wifi-api-module_libs_api",
-    defaults: [
-        "framework-module-api-defaults-module_libs_api",
-        "framework-wifi-stubs-srcs-defaults",
-    ],
-}
-
-droidstubs {
-    name: "framework-wifi-stubs-srcs-module_libs_api",
-    defaults: [
-        "framework-module-stubs-defaults-module_libs_api",
-        "framework-wifi-stubs-srcs-defaults",
-    ],
+    defaults: [ "framework-module-stubs-defaults-systemapi" ],
+    sdk_version: "core_current",
+    libs: ["android_system_stubs_current"],
 }
 
 java_library {
-    name: "framework-wifi-stubs-publicapi",
-    srcs: [":framework-wifi-stubs-srcs-publicapi"],
-    sdk_version: "current",
-    installable: false,
-}
-
-java_library {
-    name: "framework-wifi-stubs-systemapi",
-    srcs: [":framework-wifi-stubs-srcs-systemapi"],
-    sdk_version: "system_current",
-    libs: ["framework-annotations-lib"],
-    installable: false,
-}
-
-java_library {
-    name: "framework-wifi-stubs-module_libs_api",
-    srcs: [":framework-wifi-stubs-srcs-module_libs_api"],
-    sdk_version: "system_current",
-    libs: ["framework-annotations-lib"],
+    name: "framework-wifi-stubs",
+    srcs: [":framework-wifi-stubs-srcs"],
+    sdk_version: "core_current",
+    libs: ["android_system_stubs_current"],
     installable: false,
 }